KS G ISO 9177-3:2002
Mechanical pencils-Part 3:Black leads-Bending strengths of HB leads

Standard No.

KS G ISO 9177-3:2002

Release Date

2002

Published By

Korean Agency for Technology and Standards (KATS)

Status

Be replaced 2014-12

Replace By

KS G ISO 9177-3:2014

Latest

KS G ISO 9177-3-2023

Scope

This standard specifies the bending strength and test methods for the HB strength of mechanical pencil leads used in technical drawings.

KS G ISO 9177-3:2002 history

• 2023 KS G ISO 9177-3-2023 Mechanical pencils for technical drawings — Part 3: Black leads — Bending strengths of HB leads
• 0000 KS G ISO 9177-3-2017(2022)
• 2017 KS G ISO 9177-3:2017 Mechanical pencils — Part 3: Black leads — Bending strengths of HB leads
• 2014 KS G ISO 9177-3:2014 Mechanical pencils — Part 3: Black leads — Bending strengths of HB leads
• 2002 KS G ISO 9177-3:2002 Mechanical pencils-Part 3:Black leads-Bending strengths of HB leads